def proxy_device(self):
'''
Return this component's corresponding proxy device, creating
it in the proxy_deviceclass if it does not exist.
Default assumes that the names must match.
'''
device = GUIDManager(self.dmd).getObject(getattr(self, 'openstackProxyDeviceUUID', None))
if device:
guid = IGlobalIdentifier(self).getGUID()
# this shouldn't happen, but if we've somehow become half-connected
# (we know about the device, it doesn't know about us), reconnect.
if getattr(device, 'openstackProxyComponentUUID', None) != guid:
LOG.info("%s component '%s' linkage to device '%s' is broken. Re-claiming it." % (self.meta_type, self.name(), device.name()))
self.claim_proxy_device(device)
return device
# Does a device with a matching name exist? Claim that one.
device = self.dmd.Devices.findDevice(self.name())
if device:
self_pdc_path = self.proxy_deviceclass().getPrimaryPath()
device_path = device.getPrimaryPath()[:len(self_pdc_path)]
if device_path == self_pdc_path and device.id != self.device().id:
self.claim_proxy_device(device)
return device
else:
return self.create_proxy_device()
else:
return self.create_proxy_device()
